Electric slow cooker



FIG. 1 is a front perspective view of an electric slow cooker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof as seen from the right of FIG. 2;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for an electric slow cooker, as shown and described. 